std::weak_ptr< _Tp >(3cxx) | std::weak_ptr< _Tp >(3cxx) |
NAME¶
std::weak_ptr< _Tp > - A smart pointer with weak semantics.
SYNOPSIS¶
#include <shared_ptr.h>
Inherits std::__weak_ptr< _Tp, _Lp >.
Public Types¶
using element_type = typename
remove_extent< _Tp >::type
Public Member Functions¶
template<typename _Yp , typename =
_Constructible<const shared_ptr<_Yp>&>> weak_ptr
(const shared_ptr< _Yp > &__r)
noexcept
weak_ptr (const weak_ptr &)
noexcept=default
template<typename _Yp , typename =
_Constructible<const weak_ptr<_Yp>&>> weak_ptr
(const weak_ptr< _Yp > &__r) noexcept
weak_ptr (weak_ptr &&) noexcept=default
template<typename _Yp , typename =
_Constructible<weak_ptr<_Yp>>> weak_ptr
(weak_ptr< _Yp > &&__r) noexcept
bool expired () const noexcept
shared_ptr< _Tp > lock () const noexcept
template<typename _Yp > _Assignable< const
shared_ptr< _Yp > & > operator=
(const shared_ptr< _Yp > &__r)
noexcept
weak_ptr & operator= (const weak_ptr &__r)
noexcept=default
template<typename _Yp > _Assignable< const
weak_ptr< _Yp > & > operator=
(const weak_ptr< _Yp > &__r) noexcept
weak_ptr & operator= (weak_ptr &&__r)
noexcept=default
template<typename _Yp > _Assignable<
weak_ptr< _Yp > > operator=
(weak_ptr< _Yp > &&__r) noexcept
template<typename _Tp1 > bool owner_before
(const __shared_ptr< _Tp1, _Lp >
&__rhs) const noexcept
template<typename _Tp1 > bool owner_before
(const __weak_ptr< _Tp1, _Lp > &__rhs)
const noexcept
void reset () noexcept
void swap (__weak_ptr &__s) noexcept
long use_count () const noexcept
Detailed Description¶
template<typename _Tp>¶
class std::weak_ptr< _Tp >"A smart pointer with weak semantics.
With forwarding constructors and assignment operators.
Definition at line 531 of file bits/shared_ptr.h.
Member Typedef Documentation¶
template<typename _Tp , _Lock_policy _Lp> using std::__weak_ptr< _Tp, _Lp >::element_type = typename remove_extent<_Tp>::type [inherited]¶
Definition at line 1588 of file shared_ptr_base.h.
Constructor & Destructor Documentation¶
template<typename _Tp > template<typename _Yp , typename = _Constructible<const shared_ptr<_Yp>&>> std::weak_ptr< _Tp >::weak_ptr (const shared_ptr< _Yp > & __r) [inline], [noexcept]¶
Definition at line 548 of file bits/shared_ptr.h.
template<typename _Tp > template<typename _Yp , typename = _Constructible<const weak_ptr<_Yp>&>> std::weak_ptr< _Tp >::weak_ptr (const weak_ptr< _Yp > & __r) [inline], [noexcept]¶
Definition at line 554 of file bits/shared_ptr.h.
template<typename _Tp > template<typename _Yp , typename = _Constructible<weak_ptr<_Yp>>> std::weak_ptr< _Tp >::weak_ptr (weak_ptr< _Yp > && __r) [inline], [noexcept]¶
Definition at line 560 of file bits/shared_ptr.h.
Member Function Documentation¶
template<typename _Tp , _Lock_policy _Lp> bool std::__weak_ptr< _Tp, _Lp >::expired () const [inline], [noexcept], [inherited]¶
Definition at line 1680 of file shared_ptr_base.h.
template<typename _Tp > shared_ptr< _Tp > std::weak_ptr< _Tp >::lock () const [inline], [noexcept]¶
Definition at line 594 of file bits/shared_ptr.h.
template<typename _Tp > template<typename _Yp > _Assignable< const shared_ptr< _Yp > & > std::weak_ptr< _Tp >::operator= (const shared_ptr< _Yp > & __r) [inline], [noexcept]¶
Definition at line 576 of file bits/shared_ptr.h.
template<typename _Tp > template<typename _Yp > _Assignable< const weak_ptr< _Yp > & > std::weak_ptr< _Tp >::operator= (const weak_ptr< _Yp > & __r) [inline], [noexcept]¶
Definition at line 568 of file bits/shared_ptr.h.
template<typename _Tp > template<typename _Yp > _Assignable< weak_ptr< _Yp > > std::weak_ptr< _Tp >::operator= (weak_ptr< _Yp > && __r) [inline], [noexcept]¶
Definition at line 587 of file bits/shared_ptr.h.
template<typename _Tp , _Lock_policy _Lp> template<typename _Tp1 > bool std::__weak_ptr< _Tp, _Lp >::owner_before (const __shared_ptr< _Tp1, _Lp > & __rhs) const [inline], [noexcept], [inherited]¶
Definition at line 1685 of file shared_ptr_base.h.
template<typename _Tp , _Lock_policy _Lp> template<typename _Tp1 > bool std::__weak_ptr< _Tp, _Lp >::owner_before (const __weak_ptr< _Tp1, _Lp > & __rhs) const [inline], [noexcept], [inherited]¶
Definition at line 1690 of file shared_ptr_base.h.
template<typename _Tp , _Lock_policy _Lp> void std::__weak_ptr< _Tp, _Lp >::reset () [inline], [noexcept], [inherited]¶
Definition at line 1694 of file shared_ptr_base.h.
template<typename _Tp , _Lock_policy _Lp> void std::__weak_ptr< _Tp, _Lp >::swap (__weak_ptr< _Tp, _Lp > & __s) [inline], [noexcept], [inherited]¶
Definition at line 1698 of file shared_ptr_base.h.
template<typename _Tp , _Lock_policy _Lp> long std::__weak_ptr< _Tp, _Lp >::use_count () const [inline], [noexcept], [inherited]¶
Definition at line 1676 of file shared_ptr_base.h.
Author¶
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